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Physics, 22.06.2019 05:00
Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct
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How does an observation about an object differ from an inference about that object
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Calculate a pendulums frequency of oscillation (in hz) if the pendulum completes one cycle in 0.5s.
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Explain with the aid of diagrams why transverse waves can be polarised but longitudinal ones cannot...
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